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<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style>
		span {
			width: 200px;
			height: 200px;
			background-color: pink;
		}
	</style>
</head>
<body>
	<span>我是行内元素</span>
	<span>我是行内元素</span>
	<span>我是行内元素哒哒哒</span>
	<span><strong></strong></span>
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</body>
</html>